package std::collection;

import std::Object;

public class Map : Object{
	public put(k->Object, v->Object){}
	public get(k->Object)->Object{return null;}
	public remove(k->Object){}
	public exist(k->Object)->boolean{return false;}
	public empty()->boolean{return true;}
	public clear(){}
	public size()->int{return 0;}
	public keys()->Iterator{return null;}
	public values()->Iterator{return null;}
}